根据数学物理和复变函数论的相关定理,对量子散射理论中计算格林函数(Green's)时的围道积分的多种选择方式进行了细致的分析,对多样性的选择是否具有等价性的问题进行了认真的论证,得出了该围道积分的多种选择方式具有等价性的明确结论。
According to the theory of mathematics physics and complex function method, this article analyzes the choice of integration contours in Green ' s functions in the quantum scattering theory, draws the conclusion that the choice of manifold integration contours are equivalent.